12th class (Fsc) computer unit 1 MCQs
26. A type of file that contains data is called:
a. Image file
b. Data file
c. Query file
d. Program file
27. A database is an organized collection of …… data.
a. Random
b. Physically
c. Logically
d. Loosely
28. Which one of the following data model is more flexible?
a. Relational model
b. Network model
c. Object data model
d. Hierarchical model
29. Which of the following details least flexible?
a. Relational data model
b. Network data model
c. Object data model
d. Hierarchical data method
30. In the relational model, …… is the basic structure in which data is stored:
a. Table
b. Attribute
c. Form
d. Record
31. The extension of program file is:
a. .com
b. .exe
c. Both A & B
d. None
32. Which of the following is also known as data set?
a. File
b. Record
c. Field
d. All
33. The type of files from functional point of view include:
a. Backup file
b. Master file
c. Transaction file
d. All
34. The type of files from functional point of view include:
a. Program files
b. Data files
c. Both A and B
d. None
35. Which of the following file is used to store additional copy of data?
a. Backup file
b. Master file
c. Transaction file
d. None
36. Which of the following file contains the software instructions?
a. Program file
b. Data file
c. Both A & B
d. None
37. Which of the following is an image file extension?
a. .bmp
b. .tif
c. .jpg
d. All
38. The extension for a video file is:
a. .avi
b. .mpg
c. .txt
d. Both A & B
39. The extension of audio files is:
a. .wav
b. .mid
c. Both A & B
d. None
40. The file name and the extension are separated by a:
a. Colon
b. .dot
c. Semicolon
d. None
41. In “program.txt”, txt is the:
a. Extension
b. File name
c. File location
d. Directory
42. Word processor can save document using the following extension except:
a. Index sequential
b. Sequential files
c. Direct or random file
d. All
43. the type of files from storage point of view include:
a. Indexed sequential files
b. Sequential files
c. Direct or random files
d. All
44. The problem synonym occurs in:
a. Indexed sequential files
b. Sequential files
c. None
d. Direct or random files
45. The process in which the contents are accessed in sequence is called:
a. Read-Only Access
b. Random Access
c. Sequential Access
d. None
46. The file organization that is appropriate for magnetic tape storage media is:
a. Indexed sequential files
b. Sequential
c. Random
d. None
47. The objectives of database management systems include:
a. Availability
b. Database integrity
c. Data integration
d. All
48. A collection of data that consists of name, address and email of a person is called:
a. Character
b. Byte
c. Field
d. Record
49. A record in a database is the information referring to a:
a. Event
b. Person
c. Product
d. All
50. Each item of information within a record is called:
a. File
b. Field
c. Both A and B
d. Byte